Home / 1,115,324,114.94-1,672,631,234.10-368,200,777.50

Finding the Fourth Proportional to 1,115,324,114.94, 1,672,631,234.10 and 368,200,777.50

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Solution

The fourth proportional to 1,115,324,114.94, 1,672,631,234.10 and 368,200,777.50 is: 552,183,990.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,324,114.94 : 1,672,631,234.10 = 368,200,777.50 : x
  2. Step 2: Convert to fraction form
    1,115,324,114.94/1,672,631,234.10 = 368,200,777.50/x
  3. Step 3: Cross multiply
    1,115,324,114.94x = 1,672,631,234.10 × 368,200,777.50
  4. Step 4: Simplify right side
    1,115,324,114.94x = 615,864,120,866,404,480
  5. Step 5: Solve for x
    x = 615,864,120,866,404,480/1,115,324,114.94
  6. Step 6: Final answer
    x = 552,183,990.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.